Snapchat tech stack

Snapchat uses Python, Objective-C for iOS, Ruby, Android-SDK, JavaScript, Cocoa Touch, and PHP .

9 Amazing Mobile Apps Built with React Native

In 2019, Snapchat is an intriguing hybrid of multimedia-based private messenger and social media platform.

In early 2016, Instagram started exploring using React Native to allow product teams to ship features faster through code sharing and higher iteration speeds, using tools like Hot reload that eliminate compile-install cycles. Now they have completely turned their app to react native.